Which of the following is the most effective method for the detection – McqOptions

MCQOPTIONS

1.	Which of the following is the most effective method for the detection of extremely deep-lying defects:
A.	Dry residual method using DC surge
B.	Wet continuous method using half wave rectified current
C.	Wet residual method
D.	Dry continuous method using half wave rectified current with prods
Answer» E.

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